•USE OF WATER BY SPRIXG WHEAT OX GREAT PLAINS. 
21 
bushels, the yield of straw per acre in pounds, and the total yield per 
acre in pounds. 
Table 3. — Quantity of water used by the icheat crop during the groicing season, 
yields of grain and straw, and water ratirj on the continuously cropped wheat 
plat A for the years and stations specified. 
[The column headed ' 'Ratio " shows the number of pounds of water used by the crop per poxmd of total yield .] 
• 
Water used 
Yield. 
station and year. 
Ratio. 
From 
the soil. 
Precipi- 
tation. 
Total. 
Grain. 
Straw. 
Total. 
Assinniboine: 
Indies. 
Inches. 
Inches. 
Bushels. 
Pounds. 
Pounds. 
1917 
1.55 
2.97 
4. .52 
3.5 
590 
800 
1,279 
1919 
1.00 
3.11 
4.11 
1.5 
200 
290 
3,208 
Huntley: 
1913 
4.44 
4.12 
8.56 
16.0 
1,740 
2,700 
718 
1914 
3.23 
6.19 
9.42 
18.3 
1,950 
3,050 
699 
1915 
2.00 
10.45 
12.45 
24.5 
2,250 
3,720 
758 
Williston: 
1910 
1.09 
4.22 
5.31 
• 1.7 
1,040 
1,140 
1,054 
1911 . . 
.62 
2.89 
1.95 
5.09 
9.08 
7.57 
5.71 
11.97 
9.52 
2.7 
25.2 
16.8 
380 
1,860 
2,300 
540 
3,370 
3,310 
2 393 
1912 
804 
1913 
651 
1914 
2.19 
2.81 
11.11 
6.57 
13.30 
9.38 
23.8 
19.1 
1,910 
1,150 
3,340 
2,300 
901 
1915 
923 
Dickinson: 
1909 
- .97 
4.81 
1.32 
4.09 
16.30 
6.06 
5.53 
6.69 
15.33 
10.87 
6.85 
10.78 
26.8 
17.4 
5.7 
13.3 
2,110 
1,410 
700 
1,310 
3,720 
2,460 
1,040 
2,120 
933 
1910 
1,000 
1,491 
1,151 
1911 . 
1913 
1915 
-1.08 
12.97 
11.89 
25.8 
1,550 
3,100 
868 
1917 
3.12 
3.62 
6.74 
5.5 
610 
940 
1,623 
Mftprjan- 
1915 
-1.52 
17.70 
16.18 
30.5 
2,120 
3,950 
927 
1916 
4.64 
7.86 
12.50 
19.2 
2,100 
3,250 
871 
1917 
2.12 
4.55 
6.67 
15.3 
1,230 
2,150 
702 
1918 
3.44 
4.79 
5.97 
2.51 
9.41 
7.30 
12.7 
7.5 
1,390 
700 
2,150 
1,150 
• 991 
1919 
1,437 
^'^l 
2.90 
6.60 
9.50 
4.1 
1,950 
2,200 
977 
1908 
2.93 
7.92 
10.85 
13.3 
2,700 
3,500 
702 
1909 
2.51 
3.48 
4.% 
10.52 
2.93 
5.54 
13.03 
6.41 
10.50 
28.3 
4.0 
.8 
2,900 
660 
900 
4,600 
900 
950 
641 
1910 . . . 
1,612 
2,502 
1911 
1912 
2.83 
3.33 
12.94 
7.96 
15.77 
11.29 
35.0 
16.3 
3,100 
2,020 
5,200 
3,000 
686 
1913 
852 
1914 
2.84 
&20 
11.04 
11.3 
2,970 
3,650 
686 
1915 
4.08 
11.20 
15.28 
34.8 
3,960 
6,050 
572 
1917 
3.58 
5.52 
9.10 
8.3 
1,150 
1,650 
1,248 
Hettinger: 
1913 
2.23 
9.67 
11.90 
13.8 
3,250 
4,080 
660 
1917 
2.04 
1.30 
4.67 
3.02 
6.71 
4.32 
5.2 

1919 


Belle Fourche: 
1909 
2.53 
3.23 
2.09 
• 3.25 
11.74 
3.03 
4.31 
5.25 
14.27 
6.26 
6.40 
8.50 
23.8 
2.8 

6.2 
3,050 
660 
1,300 
1,320 
4,480 
830 
1,300 
1,690 
721 
1910 
1,707 
1912 
1,114 
1913 
1,138 
1914 
1.40 
5.25 
6.65 
4.0 
1,180 
1,420 
1,060 
1915 
2.35 
2. 66 
12.26 
7.34 
14.61 
10.00 
56.5 
10.6 
5,260 
1,360 
980 
8,650 
2,000 
1,250 
382 
1916 
1,132 
1,273 
1917 
L86 
5.17 
7.03 
4.4 
Ardmore: 
1915 
3.43 
15.16 
18.59 
49.2 
3,450 
6,400 
657 
1917 
7.17 
6.80 
13.97 
7.5 
'600 
1,050 
3,012 
1918 
2.51 
11.11 
13.62 
27.7 
2,090 
3,750 
822 
1919 
3.45 
6.32 
9.77 
3,3 
950 
1,150 
1,923 
Archer: 
1914 
3.71 
3.32 
7.03 
6.8 
940 
1,350 
1,179 
1915 
3.98 
7.57 
11.55 
26.8 
1,930 
3,540 
739 
1916 
1.70 
7.34 
9.04 
2.3 
680 
820 
2,495 
1917 
2.69 
8.38 
11.07 
15.6 
1,310 
2,250 
1,114 
Scottsbluff: 
1911 
3.57 
3.85 
7.42 
.5 
670 
700 
2,399 
1912 
3.26 
4.81 
8.07 
8.7 
980 
1,500 
1,218 
1913 
2.17 
6.35 
8.52 
12,0 
1,520 
2,240 
861 
1917 
2.81 
8.14 
10.95 
9.2 
970 
1,520 
1,631 
1918 
L83 
6,31 
8.14 
3.7 
600 
820 
2,247 
